weak-interaction

weak interaction

noun Physics.
the interaction between elementary particles and the intermediate vector bosons that carry the weak force from one particle to another.

Origin:
1960–65

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World English Dictionary
weak interaction or weak force
 
n
physics interaction See electroweak interaction weak nuclear interaction, Also called: weak nuclear force an interaction between elementary particles that is responsible for certain decay processes, operates at distances less than about 10--15 metres, and is 1012 times weaker than the strong interaction. The weak interaction and electromagnetic interactions are now described by the unifying electroweak theory
 
weak force or weak force
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Science Dictionary
weak interaction  
See weak force.
The American Heritage® Science Dictionary
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